CN206572810U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN206572810U CN206572810U CN201720209100.4U CN201720209100U CN206572810U CN 206572810 U CN206572810 U CN 206572810U CN 201720209100 U CN201720209100 U CN 201720209100U CN 206572810 U CN206572810 U CN 206572810U
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Abstract
The utility model discloses a kind of air conditioner.Air conditioner includes heating circulation loop and defrost branch road.Heating circulation loop includes compressor, outdoor heat exchanger and indoor heat exchanger.Compressor has exhaust outlet and gas returning port, defrost branch road includes First Heat Exchanger, one end of First Heat Exchanger is connected with exhaust outlet, and the other end of First Heat Exchanger is connected with gas returning port, First Heat Exchanger and pipeline heat exchange that is being located outside heat exchanger upstream and being suitable to cooling matchmaker flowing.According to air conditioner of the present utility model, by setting defrost branch road, the part High-temperature cooling medium and the low-temperature cooling media of outdoor heat exchanger upstream that can be discharged using compressor carry out heat exchange, so as to improve the temperature of cooling medium in outdoor heat exchanger, thus, delay deglaciating except the frosting of outdoor heat exchanger, so as to improve the heat transfer effect of outdoor heat exchanger, and then improve the integral working of air conditioner.
Description
Technical field
The utility model is related to household electrical appliance technical field, specifically, more particularly to a kind of air conditioner.
Background technology
With the progress and the development of living standard of science and technology, the requirement more and more higher to air conditioning comfortableness.When air conditioner exists
When being run under heating mode, outdoor unit heat exchanger is because the lasting Water vapor condensation steamed in heat absorption, air is on the surface of evaporator
Frosting situation occurs.The heating effect of air-conditioning can be influenceed when frosting reaches certain thickness, it is therefore desirable to carried out regularly
Defrost, defrosting work.In correlation technique, using increasing outdoor unit heat exchanger, outdoor unit heat exchanger crosswind amount, increase system are increased
The modes such as coolant injection amount are carried out, and such way often causes the raising of cost, and do not meet product economy energy-conservation will
Ask.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model is carried
Go out a kind of air conditioner, the air conditioner has the advantages that simple in construction, good effect of heat exchange.
According to the air conditioner of the utility model embodiment, the air conditioner includes：Circulation loop is heated, it is described to heat circulation
Loop includes compressor, outdoor heat exchanger, indoor heat exchanger, and the compressor has exhaust outlet and gas returning port, the exhaust outlet
Connected with one end of the indoor heat exchanger, the other end of the indoor heat exchanger is connected with one end of the outdoor heat exchanger,
The other end of the outdoor heat exchanger is connected with the gas returning port；With defrost branch road, one end of the defrost branch road is connected to institute
State between exhaust outlet and the indoor heat exchanger, the other end of the defrost branch road is connected with the gas returning port, the defrost
Branch road includes First Heat Exchanger, and one end of the First Heat Exchanger connects with the exhaust outlet, the First Heat Exchanger it is another
End connect with the gas returning port, the First Heat Exchanger with positioned at the outdoor heat exchanger upstream and be suitable to cooling matchmaker flow
Pipeline heat exchange.
According to the air conditioner of the utility model embodiment, by setting defrost branch road, it is possible to use the portion of compressor discharge
High-temperature cooling medium and the low-temperature cooling media of outdoor heat exchanger upstream is divided to carry out heat exchange, so as to improve outdoor heat exchanger
The temperature of interior cooling medium, thus, delays deglaciating except the frosting of outdoor heat exchanger, so as to improve the heat exchange of outdoor heat exchanger
Effect, and then improve the integral working of air conditioner.
According to one embodiment of the present utility model, the defrost branch road also includes first throttle element, the first segment
Fluid element is connected between the First Heat Exchanger and the gas returning port.Thus, it is possible to play a part of cooling, decompression, so that
The cooling medium in defrost branch road can be reduced and be imported into the impulsive disturbance produced during soft circulation circuit, be conducive to the steady of air conditioner
Fixed operation.
Further, the first throttle element is capillary.Thus, it is easy to the processing and manufacturing of first throttle element, from
And production cost can be reduced.
In some embodiments of the present utility model, the defrost branch road also includes being used to control the defrost branch road break-make
Control valve.Thus, it is possible to control the break-make of defrost branch road using control valve.
Alternatively, the gas-liquid separator of the air conditioner is located at the upstream of the gas returning port, the First Heat Exchanger it is another
One end is connected with the gas-liquid separator.Thus, by setting gas-liquid separator to prevent from being back to compression from gas returning port
There is more liquid cooling medium in the cooling medium of machine, and cause the liquid hammer of compressor, influence the normal work of compressor very
To damage compressor.
According to some embodiments of the present utility model, the defrost branch road also includes：Heat recovery part, the heat recovery
Part is around being located on the compressor, and one end of the heat recovery part is connected with the other end of the First Heat Exchanger；With second
Heat exchanger, one end of second heat exchanger is connected with the other end of the heat recovery part, second heat exchanger it is another
End is connected with the gas returning port, and second heat exchanger is located at the upstream of the outdoor heat exchanger and the pipeline flowed with cooling matchmaker
Heat exchange.Thus, it is possible to be utilized the work calories of compressor, be conducive to the energy-saving consumption-reducing of air conditioner, and further improve
The efficient heat transfer of defrost branch road.
Further, the First Heat Exchanger is located between second heat exchanger and the outdoor heat exchanger.Thus, have
Beneficial to the heat transfer effect for improving defrost branch road.
According to the air conditioner of the utility model embodiment, the air conditioner includes：Compressor, the compressor has exhaust
Mouth and gas returning port；Commutate component, and the commutation component has the first valve port, the second valve port, the 3rd valve port and the 4th valve port, described
First valve port is connected with the exhaust outlet, and the 4th valve port is connected with the gas returning port；Outdoor heat exchanger, the outdoor heat exchange
Utensil has the first outdoor port and second Room external port, and the described first outdoor port is connected with second valve port；Indoor heat exchange
Device, the indoor heat exchanger has the first indoor port and second Room external port, the described first indoor port and the second Room
External port is connected, and the second Room inner port is connected with the 3rd valve port；Defrost branch road, one end connection of the defrost branch road
Between the exhaust outlet and first valve port, the other end of the defrost branch road is connected to the 4th valve port and described time
Between gas port, the defrost branch road includes First Heat Exchanger and the control valve for controlling the defrost branch road break-make, described the
One heat exchanger is located between the outdoor heat exchanger and the indoor heat exchanger, and the First Heat Exchanger is close to the second Room
External port, and the First Heat Exchanger and at the second Room external port of the outdoor heat exchanger and cooling matchmaker stream
Dynamic pipeline heat exchange；
When the air conditioner freezes, first valve port is connected with second valve port, the 3rd valve port with it is described
4th valve port is connected, and the defrost branch road disconnects；When the air conditioner heat-production and during without defrost, first valve port and institute
The connection of the 3rd valve port is stated, the 4th valve port is connected with second valve port, and the defrost branch road disconnects；When the air conditioner is needed
When wanting defrost, the defrost branch road connection.
According to the air conditioner of the utility model embodiment, by setting defrost branch road, it is possible to use the portion of compressor discharge
High-temperature cooling medium and the low-temperature cooling media of outdoor heat exchanger upstream is divided to carry out heat exchange, so as to improve outdoor heat exchanger
The temperature of interior cooling medium, thus, delays deglaciating except the frosting of outdoor heat exchanger, so as to improve the heat exchange of outdoor heat exchanger
Effect, and then improve the integral working of air conditioner.
In some embodiments of the present utility model, the defrost branch road also includes first throttle element, the first segment
Fluid element is connected between the First Heat Exchanger and the gas returning port.Thus, it is easy to the processing and manufacturing of first throttle element, from
And production cost can be reduced.
According to some embodiments of the present utility model, the defrost branch road also includes：Heat recovery part, the heat recovery
Part is around being located on the compressor, and one end of the heat recovery part is connected with the First Heat Exchanger；With the second heat exchanger, institute
The one end for stating the second heat exchanger is connected with the other end of the heat recovery part, the other end of second heat exchanger with described time
Gas port is connected, and the pipeline that second heat exchanger is located at the upstream of the outdoor heat exchanger and flowed with cooling matchmaker exchanges heat.Thus,
It can be utilized the work calories of compressor, be conducive to the energy-saving consumption-reducing of air conditioner, and further increase defrost branch road
Efficient heat transfer.
Further, the First Heat Exchanger is located between second heat exchanger and the outdoor heat exchanger.Thus, have
Beneficial to the heat transfer effect for improving defrost branch road.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Fig. 1 is the structural representation of the air conditioner according to the utility model embodiment, and wherein air conditioner is in refrigeration work
Direction is flowed in direction in pattern, figure shown in arrow for cooling medium, and the defrost branch road wherein shown in dotted line is off；
Fig. 2 is the structural representation of the air conditioner according to the utility model embodiment, and wherein air conditioner is in and heats work
Direction in pattern, figure shown in arrow is the flow direction of cooling medium；
Fig. 3 is the structural representation of the air conditioner according to the utility model embodiment, and wherein air conditioner is in refrigeration work
Direction is flowed in direction in pattern, figure shown in arrow for cooling medium, and the defrost branch road wherein shown in dotted line is off；
Fig. 4 is the structural representation of the air conditioner according to the utility model embodiment, and wherein air conditioner is in refrigeration work
Direction is flowed for cooling medium in direction in pattern, figure shown in arrow.
Reference：
Air conditioner 100,
Compressor 10, exhaust outlet 110, gas returning port 120,
Outdoor heat exchanger 20, the first outdoor port 210, second Room external port 220,
Indoor heat exchanger 30, the first indoor port 310, second Room inner port 320,
Defrost branch road 40, first throttle element 410, control valve 420, heat recovery part 430, First Heat Exchanger 440, second
Heat exchanger 450,
Commutate component 50, the first valve port 510, the second valve port 520, the 3rd valve port 530, the 4th valve port 540,
Gas-liquid separator 60.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " thickness ", " on ", " under ", "front", "rear",
"left", "right", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and retouch
State the utility model and simplify and describe, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, defining " first ", "
One or more this feature can be expressed or be implicitly included to two " feature.In description of the present utility model, unless
It is otherwise noted, " multiple " are meant that two or more.
The air conditioner 100 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 4.
As Figure 1-Figure 4, according to the air conditioner 100 of the utility model embodiment, air conditioner 100 includes：Heat circulation
Loop and defrost branch road 40.
Specifically, as shown in Fig. 2 heating circulation loop includes compressor 10, outdoor heat exchanger 20 and indoor heat exchanger
30.Wherein, compressor 10 has exhaust outlet 110 and gas returning port 120, and cooling medium can be from the row of exhaust outlet 110 of compressor 10
Go out compressor 10, compressor 10 is back to from the gas returning port 120 of compressor 10.One end of exhaust outlet 110 and indoor heat exchanger 30
(lower end of indoor heat exchanger 30 as shown in Figure 2) is connected, and the other end of indoor heat exchanger 30 is (indoor as shown in Figure 2
The upper end of heat exchanger 30) connected with one end (right-hand member of outdoor heat exchanger 20 as shown in Figure 2) of outdoor heat exchanger 20, it is outdoor
The other end (left end of outdoor heat exchanger 20 as shown in Figure 2) of heat exchanger 20 is connected with gas returning port 120.
One end of defrost branch road 40 is connected between exhaust outlet 110 and indoor heat exchanger 30, thus, from exhaust outlet 110
The High-temperature cooling medium of discharge can be partly flowed into defrost branch road 40.The other end of defrost branch road 40 and gas returning port 120
Connection, thus, the cooling medium in defrost branch road 40 after heat exchange can be back to compressor 10 from gas returning port 120.
Defrost branch road 40 includes First Heat Exchanger 440, and one end of First Heat Exchanger 440 is connected with exhaust outlet 110, First Heat Exchanger 440
The other end connected with gas returning port 120, First Heat Exchanger 440 and be located outside the upstream of heat exchanger 20 and suitable for cooling matchmaker stream
Dynamic pipeline heat exchange.As shown in Fig. 2 the High-temperature cooling medium discharged from exhaust outlet 110 can part be flowed into defrost branch road
In 40, the High-temperature cooling medium in defrost branch road 40 can be flowed into First Heat Exchanger 440, and with the upstream of outdoor heat exchanger 20
Low-temperature cooling media carry out heat exchange, so as to improve the temperature of the upstream cooling medium of outdoor heat exchanger 20, reduce room
The frosting of external heat exchanger 20." upstream of outdoor heat exchanger 20 " described here refers to air conditioner 100 in a heating mode, according to
The upstream that flow direction of the cooling medium in air conditioner 100 is understood.
When air conditioner 100 is run in a heating mode, as shown in Fig. 2 exhaust outlet 110 of the cooling medium from compressor 10
Flow out and successively along arrow：a1→a2→a3→a4→a5→a6→a7→a8→a9→a10→a11→a12→a13→a14
Shown flow direction flowing, the cooling medium after heat exchange is back in compressor 10 from gas returning port 120, completed cold
But heating for medium circulates.When needing defrost, the part High-temperature cooling medium discharged from exhaust outlet 110 can be flowed into
In First Heat Exchanger 440, High-temperature cooling medium and the low-temperature cooling media of the upstream of outdoor heat exchanger 20 in First Heat Exchanger 440
Returned to after heat exchange and heat in circulation loop.
In correlation technique, high temperature, high pressure cooling medium first flow into indoor heat exchange after the exhaust outlet outflow of compressor
Condensation heat is carried out in device, so as to realize indoor heating effect.Low-temperature cooling media after indoor heat exchanger heat exchange
Outdoor heat exchanger is flowed into, and in outdoor heat exchanger evaporation endothermic.It is understood that when the temperature of the cooling medium in evaporator
When spending relatively low, the vapor in air condenses to the cold on outdoor heat exchanger surface can form frost layer, frost layer influence outdoor heat exchanger
Heat exchange.
As shown in Fig. 2 by setting defrost branch road 40, when needing defrost, the high temperature, high pressure from the discharge of compressor 10 are cold
But medium can be divided into two fluids, and wherein one, which is flowed into, heats circulation loop, and complete air conditioner 100 heats recycle stream
It is dynamic.Another fluid streams are flowed into defrost branch road 40, and are flowed into low with the upstream of outdoor heat exchanger 20 in First Heat Exchanger 440
Warm cooling medium carries out heat exchange, thus, improves the temperature of the upstream cooling medium of outdoor heat exchanger 20, reduces outdoor and change
The frosting of hot device 20.Moreover, it is also possible to reduce the heat exchange burden of outdoor heat exchanger 20, the heat exchange property of air conditioner 100 is improved.
According to the air conditioner 100 of the utility model embodiment, by setting defrost branch road 40, it is possible to use the row of compressor 10
The part High-temperature cooling medium gone out and the low-temperature cooling media of the upstream of outdoor heat exchanger 20 carry out heat exchange, so as to improve room
The temperature of cooling medium in external heat exchanger 20, thus, delays and eliminates the frosting of outdoor heat exchanger 20, so as to improve outdoor
The heat transfer effect of heat exchanger 20, and then improve the integral working of air conditioner 100.
According to one embodiment of the present utility model, as shown in Fig. 2 defrost branch road 40 can also include first throttle element
410, first throttle element 410 is connected between First Heat Exchanger 440 and gas returning port 120.As shown in Figure 2, first throttle member
Part 410 can be arranged on the downstream of defrost branch road 40.It should be noted that being entered from exhaust outlet 110 in defrost branch road 40
The temperature and pressure of cooling medium is higher, and first throttle element 410 is set in the downstream of defrost branch road 40, can play cooling,
The effect of decompression, does so as to reduce the impact produced when the cooling medium in defrost branch road 40 is imported into and heats circulation loop
Disturb, be conducive to the stable operation of air conditioner 100.
Further, first throttle element 410 can be capillary.Thus, it is easy to the processing system of first throttle element 410
Make, so as to reduce production cost.
In some embodiments of the present utility model, as shown in Fig. 2 defrost branch road 40 also includes being used to control defrost branch road
The control valve 420 of 40 break-makes.Thus, it is possible to control the break-make of defrost branch road 40 using control valve 420.For example, working as shown in Figure 1
When air conditioner 100 is in refrigeration mode operation, control valve 420 can be passed through and disconnect (the dotted line as shown in Figure 1 of defrost branch road 40
Defrost branch road)；As shown in Fig. 2 when air conditioner 100 is run in heating mode and when needing defrost, can be with the connectionization of control valve 420
White branch road 40.
Alternatively, the gas-liquid separator 60 of air conditioner 100 is located at the upstream of gas returning port 120, First Heat Exchanger 440 it is another
End is connected with gas-liquid separator 60.Thus, by setting gas-liquid separator 60 to prevent from being back to compression from gas returning port 120
There is more liquid cooling medium in the cooling medium of machine 10, and cause the liquid hit phenomenon of compressor 10, influence compressor 10
Normal work even damages compressor 10.
According to some embodiments of the present utility model, as shown in figure 4, defrost branch road 40 can also include：Heat recovery part
430 and second heat exchanger 450.Heat recovery part 430 is around being located on compressor 10, thus, and heat recovery part 430 can collect pressure
The heat that contracting machine 10 is produced when working, one end of heat recovery part 430 is connected with the other end of First Heat Exchanger 440.Thus, may be used
The cooling medium after the heat exchange of First Heat Exchanger 440 is heated with the heat produced using compressor 10, cooling is improved
The temperature of medium.One end of second heat exchanger 450 is connected with the other end of heat recovery part 430, the second heat exchanger 450 it is another
End is connected with gas returning port 120, and the pipeline that the second heat exchanger 450 is located outside the upstream of heat exchanger 20 and flowed with cooling matchmaker is changed
Heat.
It is understood that after High-temperature cooling medium is entered in First Heat Exchanger 440, with the upstream of outdoor heat exchanger 20
Low-temperature cooling media, which carries out temperature after heat exchange, to be reduced, and the cooling medium after temperature reduction can utilize heat recovery part 430
The heat that the compressor 10 of collection is produced when working is heated, and the cooling medium after heating is flowed into the second heat exchanger 450 again
Heat exchange is carried out with the low-temperature cooling media of heat exchanger upstream, finally returns back to heat in circulation loop.Thus, it is possible to make pressure
The work calories of contracting machine 10 is utilized, and is conducive to the energy-saving consumption-reducing of air conditioner 100.
Alternatively, as shown in figure 4, First Heat Exchanger 440 is located between the second heat exchanger 450 and outdoor heat exchanger 20.By
This, can make First Heat Exchanger 440 close on outdoor heat exchanger 20, it is to be understood that the cooling medium in First Heat Exchanger 440
Temperature it is higher relative to the temperature of the second heat exchanger 450, First Heat Exchanger 440 is closed on into outdoor heat exchanger 20 and set, favorably
In the heat transfer effect for improving defrost branch road 40.
According to the air conditioner 100 of the utility model embodiment, as Figure 1-Figure 4, air conditioner 100 includes：Compressor 10,
Commutate component 50, outdoor heat exchanger 20, indoor heat exchanger 30 and defrost branch road 40.
Specifically, as shown in figure 1, compressor 10 has exhaust outlet 110 and gas returning port 120.Cooling medium can be from pressure
The discharge compressor 10 of exhaust outlet 110 of contracting machine 10, cooling medium after heat exchange can be from the gas returning port of compressor 10
120 are back to compressor 10.The component 50 that commutates has the first valve port 510, the second valve port 520, the 3rd valve port 530 and the 4th valve port
540, the first valve port 510 is connected with exhaust outlet 110, and the 4th valve port 540 is connected with gas returning port 120.
As shown in figure 1, outdoor heat exchanger 20 has the first outdoor port 210 and second Room external port 220, wherein, first
Outdoor port 210 is connected with the second valve port 520.Indoor heat exchanger 30 has the first indoor port 310 and second Room external port
220, wherein, the first indoor port 310 is connected with second Room external port 220, and second Room inner port 320 connects with the 3rd valve port 530
It is logical.
One end of defrost branch road 40 is connected between the valve port 510 of exhaust outlet 110 and first, and the other end of defrost branch road 40 connects
It is connected between the 4th valve port 540 and gas returning port 120, " connection " described here can be understood as " connecting ".From the row of exhaust outlet 110
The High-temperature cooling medium gone out can be partly flowed into defrost branch road 40, and the cooling medium after heat exchange can be back to
Compressor 10.As depicted in figs. 1 and 2, defrost branch road 40 includes First Heat Exchanger 440 and for controlling the break-make of defrost branch road 40
Control valve 420, First Heat Exchanger 440 is located outside between heat exchanger 20 and indoor heat exchanger 30, and First Heat Exchanger 440 is close
Second Room external port 220, and First Heat Exchanger 440 and at the second Room external port 220 of outdoor heat exchanger 20 and cooling
The pipeline heat exchange of matchmaker's flowing.
When air conditioner 100 freezes, as shown in figure 1, the first valve port 510 is connected with the second valve port 520, the 3rd valve port 530
Connected with the 4th valve port 540, defrost branch road 40 disconnects (dotted line defrost branch road 40 as shown in Figure 1).As shown in figure 1, when sky
When adjusting the refrigeration of device 100, the cooling medium of compressor 10 is discharged successively along arrow from exhaust outlet 110：b1→b2→b3→b4→b5
Direction flowing shown in → b6 → b7 → b8 → b9 → b10 → b11 → b12 → b13.Cooling medium after heat exchange is most
It is back to afterwards from gas returning port 120 in compressor 10, completes circulating for cooling medium.
As shown in figure 1, when air conditioner 100 is run in cooling mode, High-temperature cooling medium is discharged from exhaust outlet 110 to be compressed
After machine 10, sequentially pass through the first valve port 510, the second valve port 520 and flowed into from the first outdoor port 210 in outdoor heat exchanger 20,
High-temperature cooling medium in outdoor heat exchanger 20 after condensation heat from second Room external port 220 flow out outdoor heat exchanger 20, and from
First indoor port 310 flows into indoor heat exchanger 30, the cooling medium of low temperature evaporation endothermic in heat exchanger 30 indoors, so that
Reach the effect of indoor refrigeration.Cooling medium after heat exchange flows out indoor heat exchanger 30 from second Room inner port 320
And the 3rd valve port 530 and the 4th valve port 540 inflow gas-liquid separator 60 are sequentially passed through, finally it is back to compression from gas returning port 120
In machine 10, the refrigeration cycle flow of cooling medium is completed.
When 100 heating operation of air conditioner, as shown in Fig. 2 the first valve port 510 is connected with the 3rd valve port 530, the 4th valve port
540 connect with the second valve port 520.Cooling medium flows out from compressor 10 from exhaust outlet 110 and successively along arrow：a1→a2→
Flow direction flowing shown in a3 → a4 → a5 → a6 → a7 → a8 → a9 → a10 → a11 → a12 → a13 → a14, through overheat
Cooling medium after amount is exchanged is back in compressor 10 from gas returning port 120, and completion cooling medium, which is heated, to be circulated.Need
Bright, when without defrost, defrost branch road 40 disconnects；When needing defrost, defrost branch road 40 is connected.
As shown in Fig. 2 air conditioner 100 is in heating operation and when needing defrost, the High-temperature cooling discharged from exhaust outlet 110 is situated between
Matter is divided into two fluids, and stream of fluid is flowed into defrost branch road 40, and another fluid streams, which are flowed into, heats circulation loop.Inflow is heated
Cooling medium in circulation loop sequentially passes through the first valve port 510, the 3rd valve port 530 and flows into room from second Room inner port 320
Interior heat exchanger 30, the condensation heat of heat exchanger 30, realizes indoor heating effect indoors.After the heat exchange of indoor heat exchanger 30
Low-temperature cooling media be flowed into second Room external port 220 from the first indoor port 310.In the upstream end of second Room external port 220,
High-temperature cooling medium in defrost branch road 40 can carry out heat exchange with the cooling medium of the upstream of defrost branch road 40, so that stream
Enter to the temperature rise of the cooling medium in outdoor heat exchanger 20, so as to delay and eliminate the frosting of outdoor heat exchanger 20.Room
Cooling medium after the heat exchange of external heat exchanger 20 is after the first outdoor outflow of port 210 successively along the second valve port 520, the 4th valve
Mouth 540 flows into gas-liquid separator 60.And the cooling medium after heat exchange in defrost branch road 40 can also flow to system
Soft circulation circuit simultaneously flows into gas-liquid separator 60.The cooling medium of backflow is back in compressor 10 by gas returning port 120, complete
Circulated into heating for cooling medium.
According to the air conditioner 100 of the utility model embodiment, by setting defrost branch road 40, it is possible to use the row of compressor 10
The part High-temperature cooling medium gone out and the low-temperature cooling media of the upstream of outdoor heat exchanger 20 carry out heat exchange, so as to improve room
The temperature of cooling medium in external heat exchanger 20, thus, delays and eliminates the frosting of outdoor heat exchanger 20, so as to improve outdoor
The heat transfer effect of heat exchanger 20, and then improve the integral working of air conditioner 100.
In some embodiments of the present utility model, as depicted in figs. 1 and 2, defrost branch road 40 also includes first throttle member
Part 410, first throttle element 410 is connected between First Heat Exchanger 440 and gas returning port 120.As shown in Figure 2, first throttle
Element 410 can be arranged on the downstream of defrost branch road 40.It should be noted that being entered from exhaust outlet 110 in defrost branch road 40
Cooling medium temperature and pressure it is higher, first throttle element 410 is set in the downstream of defrost branch road 40, drop can be played
Temperature, the effect of decompression, so as to reduce the impact produced when the cooling medium in defrost branch road 40 is imported into soft circulation circuit
Interference, is conducive to the stable operation of air conditioner 100.
According to some embodiments of the present utility model, as shown in Figure 3 and Figure 4, defrost branch road 40 also includes：Heat recovery part
430 and second heat exchanger 450.Wherein, heat recovery part 430 is around being located on compressor 10, one end of heat recovery part 430 and the
One heat exchanger 440 is connected.One end of second heat exchanger 450 is connected with the other end of heat recovery part 430, the second heat exchanger 450
The other end connected with gas returning port 120, the second heat exchanger 450 be located outside the upstream of heat exchanger 20 and with cooling matchmaker flow pipe
Road exchanges heat.
It is understood that after High-temperature cooling medium is entered in First Heat Exchanger 440, with the upstream of outdoor heat exchanger 20
Low-temperature cooling media, which carries out temperature after heat exchange, to be reduced, and the cooling medium after temperature reduction can utilize heat recovery part 430
The heat that the compressor 10 of collection is produced when working is heated, and the cooling medium after heating is flowed into the second heat exchanger 450 again
And heat exchange is carried out with the low-temperature cooling media of the upstream of outdoor heat exchanger 20, finally return back to heat in circulation loop.Thus,
It can be utilized the work calories of compressor 10, be conducive to the energy-saving consumption-reducing of air conditioner 100.
Alternatively, as shown in figure 4, First Heat Exchanger 440 is located between the second heat exchanger 450 and outdoor heat exchanger 20.By
This, can make First Heat Exchanger 440 close on outdoor heat exchanger 20, it is to be understood that the cooling medium in First Heat Exchanger 440
Temperature it is higher relative to the temperature of the second heat exchanger 450, First Heat Exchanger 440 is closed on into outdoor heat exchanger 20 and set, favorably
In the heat transfer effect for improving defrost branch road 40.
The air conditioner according to the utility model embodiment is described in detail with two specific embodiments referring to Fig. 1-Fig. 4
100, it is worth understanding, it is described below to be merely illustrative, rather than to concrete restriction of the present utility model.
Embodiment one：
As depicted in figs. 1 and 2, air conditioner 100 includes：Compressor 10, commutation component 50, outdoor heat exchanger 20, interior are changed
Hot device 30 and defrost branch road 40.
Wherein, as depicted in figs. 1 and 2, compressor 10 has exhaust outlet 110 and gas returning port 120.Cooling medium can be from pressure
The discharge compressor 10 of exhaust outlet 110 of contracting machine 10, cooling medium after heat exchange can be from the gas returning port of compressor 10
120 are back to compressor 10.The component 50 that commutates has the first valve port 510, the second valve port 520, the 3rd valve port 530 and the 4th valve port
540, the first valve port 510 is connected with exhaust outlet 110, and the 4th valve port 540 is connected with gas returning port 120.
As depicted in figs. 1 and 2, outdoor heat exchanger 20 has the first outdoor port 210 and second Room external port 220, wherein,
First outdoor port 210 is connected with the second valve port 520.Indoor heat exchanger 30 has the first indoor port 310 and second Room outer end
Mouth 220, wherein, the first indoor port 310 is connected with second Room external port 220, the valve port 530 of second Room inner port 320 and the 3rd
Connection.
One end of defrost branch road 40 is connected between the valve port 510 of exhaust outlet 110 and first, and the other end of defrost branch road 40 connects
It is connected between the 4th valve port 540 and gas returning port 120, the High-temperature cooling medium discharged from exhaust outlet 110 can partly being flowed into
In white branch road 40, the cooling medium after heat exchange can be back to compressor 10.As depicted in figs. 1 and 2, defrost branch road
40 include First Heat Exchanger 440 and the control valve 420 for controlling the break-make of defrost branch road 40, and First Heat Exchanger 440 is located outside
Between heat exchanger 20 and indoor heat exchanger 30, and First Heat Exchanger 440 is close to second Room external port 220, and First Heat Exchanger 440
Exchanged heat with the pipeline of at the second Room external port 220 of outdoor heat exchanger 20 and cooling matchmaker flowing.
When air conditioner 100 freezes, as shown in figure 1, the first valve port 510 is connected with the second valve port 520, the 3rd valve port 530
Connected with the 4th valve port 540, defrost branch road 40 disconnects (dotted line defrost branch road 40 as shown in Figure 1).As shown in figure 1, when sky
When adjusting the refrigeration of device 100, the cooling medium of compressor 10 is discharged successively along arrow from exhaust outlet 110：b1→b2→b3→b4→b5
Direction flowing shown in → b6 → b7 → b8 → b9 → b10 → b11 → b12 → b13.Cooling medium after heat exchange is most
It is back to afterwards from gas returning port 120 in compressor 10, completes circulating for cooling medium.
As shown in figure 1, when air conditioner 100 is run in cooling mode, High-temperature cooling medium is discharged from exhaust outlet 110 to be compressed
After machine 10, sequentially pass through the first valve port 510, the second valve port 520 and flowed into from the first outdoor port 210 in outdoor heat exchanger 20,
High-temperature cooling medium in outdoor heat exchanger 20 after condensation heat from second Room external port 220 flow out outdoor heat exchanger 20, and from
First indoor port 310 flows into indoor heat exchanger 30, the cooling medium of low temperature evaporation endothermic in heat exchanger 30 indoors, so that
Reach the effect of indoor refrigeration.Cooling medium after heat exchange flows out indoor heat exchanger 30 from second Room inner port 320
And the 3rd valve port 530 and the 4th valve port 540 inflow gas-liquid separator 60 are sequentially passed through, finally it is back to compression from gas returning port 120
In machine 10, the refrigeration cycle flow of cooling medium is completed.
When 100 heating operation of air conditioner, as shown in Fig. 2 the first valve port 510 is connected with the 3rd valve port 530, the 4th valve port
540 connect with the second valve port 520.Cooling medium flows out from compressor 10 from exhaust outlet 110 and successively along arrow：a1→a2→
Flow direction flowing shown in a3 → a4 → a5 → a6 → a7 → a8 → a9 → a10 → a11 → a12 → a13 → a14, through overheat
Cooling medium after amount is exchanged is back in compressor 10 from gas returning port 120, and completion cooling medium, which is heated, to be circulated.Need
Bright, when without defrost, defrost branch road 40 disconnects；When needing defrost, defrost branch road 40 is connected.
As shown in Fig. 2 air conditioner 100 is in heating operation and when needing defrost, the High-temperature cooling discharged from exhaust outlet 110 is situated between
Matter is divided into two fluids, and stream of fluid is flowed into defrost branch road 40, and another fluid streams, which are flowed into, heats circulation loop.Inflow is heated
Cooling medium in circulation loop sequentially passes through the first valve port 510, the 3rd valve port 530 and flows into room from second Room inner port 320
Interior heat exchanger 30, the condensation heat of heat exchanger 30, realizes the heating effect of air conditioner 100 indoors.By the heat of indoor heat exchanger 30
Low-temperature cooling media after amount is exchanged is flowed into second Room external port 220 from the first indoor port 310.In second Room external port
High-temperature cooling medium in 220 upstream ends, defrost branch road 40 can carry out heat friendship with the cooling medium of the upstream of defrost branch road 40
Change, so that the temperature rise of the cooling medium flowed into outdoor heat exchanger 20, so as to delay and eliminate outdoor heat exchanger
20 frosting.Cooling medium after the heat exchange of outdoor heat exchanger 20 is after the first outdoor outflow of port 210 successively along the second valve
The 520, the 4th valve port 540 of mouth flows into gas-liquid separator 60.And the cooling after heat exchange in defrost branch road 40 is situated between
Matter, which can also be flow to, to be heated circulation loop and flows into gas-liquid separator 60.The cooling medium of backflow is back to by gas returning port 120
In compressor 10, complete heating for cooling medium and circulate.
Thus, by setting defrost branch road 40, it is possible to use the part High-temperature cooling medium that compressor 10 is discharged and outdoor
The low-temperature cooling media of the upstream of heat exchanger 20 carries out heat exchange, so as to improve the temperature of cooling medium in outdoor heat exchanger 20
Degree, thus, delays and eliminates the frosting of outdoor heat exchanger 20, so that the heat transfer effect of outdoor heat exchanger 20 is improved, and then
Improve the integral working of air conditioner 100.
Embodiment two：
As shown in Figure 3 and Figure 4, from unlike embodiment one, in this embodiment, defrost branch road 40 also includes：Heat
The heat exchanger 450 of trap 430 and second.Wherein, heat recovery part 430 is around being located on compressor 10, and the one of heat recovery part 430
End is connected with First Heat Exchanger 440.One end of second heat exchanger 450 is connected with the other end of heat recovery part 430, the second heat exchange
The other end of device 450 is connected with gas returning port 120, and the second heat exchanger 450 is located outside the upstream of heat exchanger 20 and flowed with cooling matchmaker
Dynamic pipeline heat exchange.First Heat Exchanger 440 is located between the second heat exchanger 450 and outdoor heat exchanger 20.Thus, it is possible to make first
Heat exchanger 440 closes on outdoor heat exchanger 20, it is to be understood that the temperature of the cooling medium in First Heat Exchanger 440 relative to
The temperature of second heat exchanger 450 is higher, and First Heat Exchanger 440 is closed on into outdoor heat exchanger 20 is set, and is conducive to improving defrost branch
The heat transfer effect on road 40.
It is understood that after High-temperature cooling medium is entered in First Heat Exchanger 440, with the upstream of outdoor heat exchanger 20
Low-temperature cooling media, which carries out temperature after heat exchange, to be reduced, and the cooling medium after temperature reduction can utilize heat recovery part 430
The heat that the compressor 10 of collection is produced when working is heated, and the cooling medium after heating is flowed into the second heat exchanger 450 again
And heat exchange is carried out with the low-temperature cooling media of the upstream of outdoor heat exchanger 20, finally return back to heat in circulation loop.Thus,
It can be utilized the work calories of compressor 10, be conducive to the energy-saving consumption-reducing of air conditioner 100.
Thus, by setting heat recovery part 430, it is possible to use heat recovery part 430 absorbs compressor 10 and worked
When the heat that produces, and cooling medium is heated using the heat absorbed., can be further by setting the second heat exchanger 450
The efficient heat transfer of defrost branch road 40 and the cooling medium of the upstream of outdoor heat exchanger 20 is improved, further alleviates elimination outdoor and changes
The frosting of hot device 20, so as to improve the heat transfer effect of outdoor heat exchanger 20, and then improves the service behaviour of heat exchanger.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can in an appropriate manner be combined in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (11)
1. a kind of air conditioner, it is characterised in that including：
Circulation loop is heated, the circulation loop that heats includes compressor, outdoor heat exchanger, indoor heat exchanger, the compressor
With exhaust outlet and gas returning port, the exhaust outlet is connected with one end of the indoor heat exchanger, the indoor heat exchanger it is another
End is connected with one end of the outdoor heat exchanger, and the other end of the outdoor heat exchanger is connected with the gas returning port；With
Defrost branch road, one end of the defrost branch road is connected between the exhaust outlet and the indoor heat exchanger, describedization
The other end of white branch road is connected with the gas returning port, and the defrost branch road includes First Heat Exchanger, the one of the First Heat Exchanger
End is connected with the exhaust outlet, and the other end of the First Heat Exchanger is connected with the gas returning port, the First Heat Exchanger and position
In the outdoor heat exchanger upstream and suitable for cooling matchmaker flow pipeline heat exchange.
2. air conditioner according to claim 1, it is characterised in that the defrost branch road also includes first throttle element, institute
First throttle element is stated to be connected between the First Heat Exchanger and the gas returning port.
3. air conditioner according to claim 2, it is characterised in that the first throttle element is capillary.
4. air conditioner according to claim 1, it is characterised in that the defrost branch road also includes being used to control the defrost
The control valve of branch road break-make.
5. air conditioner according to claim 1, it is characterised in that the gas-liquid separator of the air conditioner is located at the return-air
The upstream of mouth,
The other end of the First Heat Exchanger is connected with the gas-liquid separator.
6. the air conditioner according to claim any one of 1-5, it is characterised in that the defrost branch road also includes：
Heat recovery part, the heat recovery part is around being located on the compressor, one end of the heat recovery part and described the
The other end connection of one heat exchanger；With
Second heat exchanger, one end of second heat exchanger is connected with the other end of the heat recovery part, second heat exchange
The other end of device is connected with the gas returning port, and second heat exchanger is located at the upstream of the outdoor heat exchanger and flowed with cooling matchmaker
Dynamic pipeline heat exchange.
7. air conditioner according to claim 6, it is characterised in that the First Heat Exchanger be located at second heat exchanger with
Between the outdoor heat exchanger.
8. a kind of air conditioner, it is characterised in that including：
Compressor, the compressor has exhaust outlet and gas returning port；
Commutate component, and the commutation component has the first valve port, the second valve port, the 3rd valve port and the 4th valve port, first valve
Mouth is connected with the exhaust outlet, and the 4th valve port is connected with the gas returning port；
Outdoor heat exchanger, the outdoor heat exchanger has the first outdoor port and second Room external port, the described first outdoor port
Connected with second valve port；
Indoor heat exchanger, the indoor heat exchanger has the first indoor port and second Room inner port, the described first indoor port
Connected with the second Room external port, the second Room inner port is connected with the 3rd valve port；
Defrost branch road, one end of the defrost branch road is connected between the exhaust outlet and first valve port, the defrost branch
The other end on road is connected between the 4th valve port and the gas returning port, and the defrost branch road includes First Heat Exchanger and is used for
The control valve of the defrost branch road break-make is controlled, the First Heat Exchanger is located at the outdoor heat exchanger and the indoor heat exchanger
Between, and the First Heat Exchanger is close to the second Room external port, and the First Heat Exchanger with close to the outdoor heat exchange
The pipeline heat exchange of at the second Room external port of device and cooling matchmaker flowing；
When the air conditioner freezes, first valve port is connected with second valve port, the 3rd valve port and the described 4th
Valve port is connected, and the defrost branch road disconnects；When the air conditioner heat-production and during without defrost, first valve port and described the
Three valve ports are connected, and the 4th valve port is connected with second valve port, and the defrost branch road disconnects；When the air conditioner needs
When white, the defrost branch road connection.
9. air conditioner according to claim 8, it is characterised in that the defrost branch road also includes first throttle element, institute
First throttle element is stated to be connected between the First Heat Exchanger and the gas returning port.
10. air conditioner according to claim 8, it is characterised in that the defrost branch road also includes：
Heat recovery part, the heat recovery part is around being located on the compressor, one end of the heat recovery part and described the
One heat exchanger is connected；With
Second heat exchanger, one end of second heat exchanger is connected with the other end of the heat recovery part, second heat exchange
The other end of device is connected with the gas returning port, and second heat exchanger is located at the upstream of the outdoor heat exchanger and flowed with cooling matchmaker
Dynamic pipeline heat exchange.
11. air conditioner according to claim 10, it is characterised in that the First Heat Exchanger is located at second heat exchanger
Between the outdoor heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720209100.4U CN206572810U (en) | 2017-03-03 | 2017-03-03 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720209100.4U CN206572810U (en) | 2017-03-03 | 2017-03-03 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206572810U true CN206572810U (en) | 2017-10-20 |
Family
ID=60056468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720209100.4U Active CN206572810U (en) | 2017-03-03 | 2017-03-03 | Air conditioner |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444141A (en) * | 2018-05-16 | 2018-08-24 | 广东美的制冷设备有限公司 | The control method of air-conditioner system, air conditioner and air conditioner |
| CN109974325A (en) * | 2019-03-07 | 2019-07-05 | 海信家电集团股份有限公司 | A kind of air-conditioning system and its control method and device, air conditioner |
-
2017
- 2017-03-03 CN CN201720209100.4U patent/CN206572810U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444141A (en) * | 2018-05-16 | 2018-08-24 | 广东美的制冷设备有限公司 | The control method of air-conditioner system, air conditioner and air conditioner |
| CN108444141B (en) * | 2018-05-16 | 2020-05-29 | 广东美的制冷设备有限公司 | Air conditioner system, air conditioner and control method of air conditioner |
| CN109974325A (en) * | 2019-03-07 | 2019-07-05 | 海信家电集团股份有限公司 | A kind of air-conditioning system and its control method and device, air conditioner |
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